Reuters: When Chandrasekhar Reddy travelled to northeastern India in 2011, the director was looking for material for a film on forests in the region famed for its misty hills and waterfalls.
Instead, he found children as young as five working in coal mines.
Horrified yet fascinated, Reddy stayed in Meghalaya state for several months, befriending the children and their families, and slowly gaining access to the mines, many of which are illegal.
Reddy eventually gathered enough material for his first...